Live from iowa. This is bbc news its Caucus Day here in chilly iowa the big question will the Temperature Effect Turnout as the 2024 president ial primary season officially begins. And in dc im Sumi Somaskanda from foreign poicy to donald trumps legal challenges there are number of key issues that voters in iowa and across the country will be watching in the lead up to november. We are live in des moines, iowa . Where the first 2024 president ial contest will soon